三阶实矩阵求特征值的计算方法

The Calculation Methods for Solving Eigenvalue of Three Order Real Matrix

求解三阶实矩阵的特征值问题是高等教育中线性代数教学过程常见的一类问题,其本质为求解一个一元三次方程。本文主要给出求三阶实矩阵特征值的5种常用方法,介绍了这些方法的适用范围,并对每种方法都给出实例来演示具体的求解过程。

Solving eigenvalue of three order real matrix is a common problem in the teaching process of linear algebra of higher education,and its essence is to solve an one variable cubic equation. In this paper,five methods are given to solve eigenvalue of three order real matrix,the scope of application of these methods is introduced,and examples of each method are given to describe the specific calculation process.